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Chemical Engineering Questions and Answers December 01, 2019

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If all of the United States' annual electricity requirement of 31012 kWh was produced by coal power plants, how many tonnes of coal would be burned per minute? Assume an efficiency of 45% and energy content of 35 MJ/kg for anthracite coal. This grade of coal typically is 90% carbon and 10% moisture. How many tonnes of CO2 will be produced each

Q2) Solve the following system of linear equations by Jacobi's, Gauss-Seidel's, and SOR methods (n=1.5). 10x + 6y + 3z = 4 4x - 12y = 1 14x - y + z = 2
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 9 4 1

With increase in temperature, the thermal conductivity of steel Increases Decreases Remains unchanged Increases exponentially

1. Calculate the adiabatic flame temperature for combustion of liquid octane at 25C with 400% excess air. You may assume that air is composed of 21%O2 and 79%N2. Since solving for the adiabatic flame temperature would require solution of a fourth order equation in Ta. you may obtain an approximate solution by using average Cp values for the
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5. Name three advantages of Venturi tubes (10 marks)
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( c ) For the isothermal, isobaric, catalytic gas - phase oxidation the feed enters a PBR at 6 atm and 2 6 0 C , and is a stoichiometric mixture of only oxygen and ethylene. Set up a stoichiometric table and then write - r A ' as a function of partial pressures. Express the partial pressures and - r A ' as a function of conversion for ( 1 ) a
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In the figure below, the height of water in the tank is 8.16 m. What is the gauge pressure when the atmospheric pressure is 100 KP. h ogh
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The minimum effective concentration (MEC) of a novel pain killer medication which is going in human trial is 15 mg/L. The volume of distribution of the drug is 20L and half-life is 4h. As a clinical pharmacist in the team, you are entrusted to calculate the dose (mg) that should be administered to the patient which will maintain the concentration

correct question answer get upvote 7 4 3 . What is neutron economy and why is it critical for reactor performance?

Consider the reaction AR+S, occurring on dual sites. Determine the rate equation in the case that all four elementary steps are simultaneously rate determining
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Solve on Engineering Equation Solver (EES) The water contained in a 5 m rigid container has a quality of 0.8 and is under a pressure of 2 MPa. If the pressure is reduced to 400 kPa by cooling the vessel, calculate the final mass of vapor mg and the mass of liquid mf.

The phase lag for the transfer function 2/(s+2) for w = 2 is ______degrees.

Calcium ammonium nitrate ( CAN ) is A mixed fertiliser A straight fertiliser A complex fertiliser Not a fertiliser; it is an explosive

Plant tissue culture is an important tool for the continuous production of active compounds including secondary metabolites and engineered molecules. Novel methods (gene editing, abiotic stress) can improve the technique. Current-day pharmaceuticals are typically based on plant-derived metabolites, with new products being discovered constantly.
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It is desired to concentrate an incoming solution of 3 w t % brine ( solution of salt and water ) to 5 w t % before sending to a crystallizer using a series of evaporators as shown in the Figure 1 . Water leaving each evaporator is collected together to form Stream 8 . Each evaporator removes the same quantity ( mass ) of water from its inlet
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A charge of q_(1)=7.00\\\\mu C is at the origin of a cartesian coordinate system. A charge q_(2)=-7.00\\\\mu C is then placed at 0.400m on the positive y -axis. Last, a charge of q_(3)=-5.00\\\\mu C is placeti at point 0.300m on the positive x-axis. What is the magnitude and direction of the electric force on q_(3) ? (See example 15.5 for a
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( 1 0 pts; 5 pts for each ) Tubular membranes of silicone rubber can be used for "bubbleless" aeration of water. A cross section of the tube is shown in the figure. Pure oxygen ( O 2 ) gas is pressurized to 2 . 0 atm inside a section of silicone rubber tubing of inner diameter 1 2 . 7 m m and wall thickness 3 . 2 m m . The tubing is immersed in a
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9. ( 12 points) Einstein once said that he did not believe that God played dice, but it is hard to believe when one looks at the list of isotopes in the standard periodic chart. So many isotopes and ions for the elements! Maybe they each all have a distinctive purpose, but for now we are at a loss to explain all of them. In the chart below help
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Vector operations Points: 1 0 The lahelled vectors helow are drawn to scale, For each of the statements select Greater than, Less than, or Equal to . | Z N | is dots 0 . N * Z is . . . 0 . | U J | is dots 0 . U * Y is . . . 0 . J * R is . . . 0 . The magnitude of Ndots that of R .
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For a binary phase diagram of known composition and temperature that is at equilibrium, choose the information which is not available. a. the pressure of the phase(s) b. the fraction(s) of the phase(s) c. the composition(s) of the phase(s) d. the type and number of the phase(s)

Propose future investigation/work to do in the continuous mixing line. (Pharmaceutical Research)

A stream of air at 1 0 0 KPa ( 1 bar ) pressure and 3 9 . 1 C is flowing on the top surface of a thin squared flat sheet of solid naphthalene of length 0 . 3 0 1 m with a velocity of 2 2 m s . The heat transfer equation available for this situation is: = 0 . 6 6 4 ( R e ) 0 . 5 ( P r ) 0 . 3 3 3 The other data are: Kinematic viscosity of air = 1 .
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Draw one design for the Copper/Copper Sulphate Electrode. Show all elements in this design.

need help understanding how Length and Diameter were calculated. please show all steps. a. V-102 High-Pressure Phase Separator From Table 11.6, the following heuristics are used: Rule 3 Vertical vessel Rule 4L/D between 2.5 and 5 with optimum at 3.0 Rule 5 Liquid holdup time is 5min based on 1/2 volume of vessel Rule 9 Gas velocity u is given by
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How does the Solubility and Determination of Water Hardness inter-relate with our daily lives?

Determine the molar volume of n-buthane at 510 K and 25 bar by each of the following: (a) Redlich Kwong Equation of state and (b) Van der waals equation of state.

please try to give correct answer 3 5 3 .

Can you just show me one iteration so that I can see if I am on the right track? Thank you! Table 3-1 Appendix D For each of the listed steam turbines, calculate All, A, and ws (using the typical steady state energy balance from Table 3-1) using 1) the steam tables and 2) assuming the steam behaves as an ideal gas and using the heat capacity
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JH 2 0 5 2 5 4 0 1 0 2 5 / m 3 1 density 3 0 kg / m 3 4 0

defined as those metals that contain iron while non-ferrous metals do not.\ i. Differentiate between iron and steel and give example of application for both materials.\ [4 Marks]\ [CLO3, PL04, C3]\ ii. Stainless steel is commonly used as kitchen utensil and medical tools. Explain why stainless is choose for those application\ [3 Marks]\ [CLO3,
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Question 1: a) Consider an ideal gas that occupies 2.25L at 1.33 bar. Calculate the work required to compress the gas isothermelly to a volume of 1.5L at a constant pressure of 2.0 bar followed by another isothermal compression to 0.8L at a constant pressure of 2.5 bar. b) What is the work for compressing the gas isothermally and reversibly from
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JI 0 3 m 3 / sI 1 0 0 ( ) 1 0 m 1 8 m 4 m

The diagram represents a primary coil P , carrying a steady current, and a secondary coil S, which is connected to a galvanometer G .\ The following steps are performed one after another.\ I. P is pushed rapidly into S \ II. P is held stationary inside S \ III. P is withdrawn rapidly from S \ IV. P is held stationary outside of S \ During which of
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Assuming the electrical conductivity of pure silver is higher than pure copper, what would you predict would result from adding ~0.5wt% silver to an otherwise pure copper material? Group of answer choices Conductivity will increase Conductivity will decrease Conductivity will not change Its impossible to predict without more information

Water is pumped at the rate of 60 liter/s from a reservoir to free discharge shown in Figure Q4. All pipes are made of commercial steel. Determine the power required by the pump if the efficiency of the pump is 85%. Include all the losses in the pipe system. Moody diagram is given in Appendix B. Viscosity of water is given as 1x103Pa.5 Pump power,
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What is the major product of the following reaction? II. III IV
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A temperature sensor-transmitter can be calibrated to a minimum temperature of 40C. Find the temperature reading in C when transmitted current signal to the controller is 14 mA. Assume that the gain of the temperature sensor-transmitter is 0.08 mA/oC.

transform Tank 1Q(s)Q1(s)=A1sH1(s) Q1(S)H2(S)=2+1R2Tank2Q1(s)Q2(s)=A2sH2(s)Valve1R1Q1(s)=H1(s)H2(s)Valve2R2Q2(s)=H2(s)Q(s)H2(s)=12s2+(1+2+A1R2)s+1R2
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I believe I've got parts (a) and (b), so I would like you to at least do part (c), but it will be greatly appreciated if all parts are answered. Thank you! Estimation of void fraction of a packed column. A tube of 146 sq. in. cross section and 73 in. height is packed with spherical particles of diameter 2mm. When a pressure difference of 158psi is
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On the basis of ionic charge and ionic radii given in Table 3.4, predict crystal structures for the following materials: (a) Csi (b) KI
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1 0 - 1 9 K m r yakarak 3 0 0 M W g reten bir buharl g santrali basit ideal Rankine evrimine g re al maktad r . T rbin giri inde buhar n bas nc 5 MPa, s cakl 4 5 0 C ve yo u turucu bas nc 2 5 kPa ' d r . K m r n 1 s l de eri ( yak ld nda a a kan 1 s miktar ) 2 9 3 0 0 k J k g ' d r . Kazanda bu enerjinin y zde 7 5 'i buhara aktar lmakta olup,
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Question in Chemical Engineering Don t answer if u don t know I will dislike confirm 4 4 . ' '

[10 marks] Suppose that the data follow the model y=\\\\beta _(0)+\\\\beta _(1)x_(i)+e,eN(0,\\\\sigma ^(2)) . However,\ Jerry includes an additional predictor and fits the model y=\\\\beta _(0)+\\\\beta _(1)x_(1)+\\\\beta _(2)x_(2)+e,eN(0,\\\\sigma ^(2)) .\ i. [5 marks] Find Cov(hat(y)_(j),(/bar (y))) , where hat(y)_(j) is the fitted value of the
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Please show what you put into Excel to get the graph, struggling with setting up the problem. This question is very similar to the previous one, except that we now look at much larger N where the manual procedure is no longer feasible. N gas molecules move around randomly in a rectangular container, each molecule is located either in the "left" or
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Artoine equation. Raoulty low naay bu appliod to each componant a. Wite the equations you mould use to calculate the bubble-point and dew point femperatures of the misfure. b. Prepare a spreadsheel to perform the calculations of part (a) c. Test your spreadsheet by performing the folowing calculations 1. The bubble-point temiperatire of an
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The product from a batch reactor contains NO, NO 2 , and N 2 O 4 . The mole fraction of NO is 0.400. Write an expression for the gram-moles of N 2 O 4 in terms of n (total mol) and Y 2 (mol NO 2 /mol).

Question in Chemical Engineering Don t answer if u don t know I will dislike confirm 1 5 1 . ' '

discuss the recycling of carbon fibers. Problems with recycling? cost effective?

3. Using thermodynamic data in the textbook appendix, calculate the molality of H+ions in pure water at 50C. 3. Using thermodynamic data in the textbook appendix, calculate the molality of H+ions in pure water at 50C
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The temperature of this batch reactor is d 2 T / dt 2 = T 2 - aT + B a : alpha B : beta Both a and B are constants The intial temp of the reactor is 300K. The lab team wants to keep the temp within 300 (plus/minus) 50K for 30 minutes. 1) Convert the above ODE-IVP to an ODE system that can be solved. Explain how you are able to do this conversion.

Please either text or computer generate your response as some hand written answers are a bit hard to read! and provide brief example in simple terms 1. Give the IUPAC name for each of the following: (i) (ii)
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 9 5 9

Vandam l 3 . 1 0 . AW 0 5 F st afur P myndast vi hvarf milli lofttegundar A sem er st ugur me an efnahvarfinu stendur og fasts B ( k lulaga agna ) samkv mt stoichiometry g + 2 s - > . Hvarfi a fara fram ofni ar sem fast efni og gas eru st ugt f ru og hreyfast tappafl i . Ef ofninn er 2 m h og 1 0 cm verm l , reikni t umbreytinguna sem fastefni n r

6 . .

En un proceso de flujo en estado estacionario, 1 mol/seg de aire a 600 K y 1 atm (corriente A) se mezcla continuamente con 2 mol/min de aire a 450 K y 1 atm (corriente B). La corriente del producto est a 400 K y 1 atm. Determine la tasa de transferencia de calor y la tasa de generacin de entropa para el proceso. Suponga que el aire es un gas ideal

Correct answers: [(a) 1.25 x 109 kg chemical/kg water, 14.45 x 109 kg chemical/kg sediment, 3.95 x 109 kg chemical/kg biota, (b) 0.02%, (c) 0.00006%, (d) 1.25 x 109 kg chemical/kg water] Answers without these as the final values will be downvoted! thank you 6. Environmental fate of gasoline substitutes The compound methyl-tert butyl ether (MTBE)
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I need the answer as soon as possible Q. 21. Find the momentum of an electron with kinetic energy 147 100 ev. (Mass of electron = 9 * 10 28 gram)
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Please check the image for the real question. In the text some values are not ture.

you mixed your unknown with one of the three possible unknown compounds and the mixture immediately melted. What would you conclude about the identity of the unknown? a.) the unknown and possible unknown compound are identical b.) the unknown and possible unknown compounds are different c.) no conclusion can be made Explain your answer.

Oxygen is compressed from P1=2 bar and T1=30C to a final pressure P4=100 bar in a two stage compressor with intermediate cooling of the first stage discharge stream down to T3=30 degC before entering the second stage. The two stages have the same pressure ratio and isentropic efficiency. A thermocouple measures the temperature of the second stage
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Question 1 [ 1 5 ] In an experiment on absorption of sulphur dioxide from a dilute air - S O 2 mixture containing 3 . 5 % by volume S O 2 in a wetted wall tower water was used as a solvent following at 0 . 7 6 m s and containing 0 . 0 5 % S O 2 . The molar flowrate of the gas stream was measured to be 0 . 0 9 4 1 m o l s at 2 0 C and the column
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Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 9 6 0

Using Huffs 3rd Quartile distribution obtain rainfall distribution for a storm duration of 6 hours with a temporal increment of 30 minutes and total rain of 2 inches.

1 0 . 8 - 1 . Prediction of Mass - Transfer Coefficients. Predict the mass - transfer coefficients H G , H L , k x ' a , k y ' a , and K x ' a for absorption of C O 2 from air by water in the same packing and using 1 . 6 times the flow rates in Example 1 0 . 8 - 1 at 3 0 3 K . ( Hint: Use equilibrium data from Appendix A . 3 for Henry's law
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A ball of hydrogel (a gel with a very high water content) that is 2.2 cm in diameter is dropped into a dye bath. The concentration of dye in the bath is 4.4 g dye per kg water, and the ball initially has no dye in it. If the mass diffusivity of the dye in water is 2.9x10-9 m2/s, what is the concentration of dye in the ball after 5 hours in the

A test result from a Quality Control method generated an Out of Specification (OOS) result. During the Phase 1 investigation of the OOS result, it was discovered that the QC analyst who performed the test did not closely follow the Standard Operating Procedure (SOP) that describes the steps of the test. During the preparation work as described in

The material showing a plastic flow was analyzed in the cone-plate viscometer. Calculate the plastic viscosity of this material if the torque, T, is 110 at rpm = 200 and Tf value is 25 at rpm = 0; C = 1.168.

Steam enters the first-stage turbine shown in the figure at 40 bar and 400C with a mass flow rate of 60.000kg/hr. Steam exits the first-stage turbine at 20bar and 400C. The steam is then reheated at constant pressure to 500C before entering the second-stage turbine. Steam leaves the second stage as saturated vapor at 0.6 bar. Assume steady state
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Ground water is contaminated with 30 (Microgram/L) lead and its concentration needs to be reduced to 5 (Microgram/L) what is the oh that groundwater must be adjusted?

Compute the mean energy at 400K of a two-level system of energy separation equivalent to 600 cm1
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Evaluate the average linear momentum of the quantum harmonic oscillator for the ground state and first two excited states
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The following is a renewable sources of energy Group of answer choices Electricity Sunlight Natural Gas Nuclear Energy Batteries

QUESTION 2 Size reduction was considered as a "black art" and not a science. Explain why this perception and give some clarifications about the development of the theory governing comminution. 115 markal
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Question in Chemical Engineering Don t answer if u don t know I will dislike confirm 1 6 2 . ' '

TiCl 4 can be formed by reacting TiO 2 with hydrochloric acid (HCl). Water is the only other product formed. TiO 2 + 4HCl 2H2O + TiCl 4 TiO2 is available as an ore containing 78%TiO2 and 22% inerts (mass basis). The HCl is available as a 45%wt solution. 75% TiO2 is converted to TiCl4 when 2.5 kg of the acid solution is fed per kg of TiO2 ore. Then

I need help getting to the final solution of T final = 1 0 8 7 K . This is chemical engineering thermodynamcis focused.
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I need the answer as soon as possible 00 x dx (c>1) in terms of Gamma function Ex. 29. Express the integral so 38 x r(c+1) Song dx (c >1). (Or) Show that (log c)c+1
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1 Consider the phase diagram for C3H6O2CS2 liquid system and answer the following: a) Label all the phases present in the diagram. b) Sketch the GM-composition relationships for all phases at 230K,210K and 180K. Be sure to label all equilibrium compositions if you need to use the double tangent to minimize GM at a given temperature. c) Determine
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I need the answer as soon as possible ac 35. What is Boyle temperature
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5 mm by 7 mm rectangular metallic chip and 0.8 mm thick is mounted on a plastic substrate with its front surface cooled by a synthetic liquid flowing over it. Electronic circuits in the back of the chip generate heat at a rate of 10 watts that must be transferred through the chip. The thermal conductivity of silicone is 140 W/(m K). State at least

A sphere with diameter d , soaked with ethanol, is kept still in a stream of air. Show by dimensional analysis that the expression which relates the mass transfer coefficient of the ethanol evaporation, k , to the sphere diameter d , the mean air velocity, u , the diffusion coefficient of the ethanol in the air, D , and the air properties, density
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Consider a copper - silver alloy of composition 2 5 w t % A g - 7 5 w t % C u . a . Supposed that this alloy is cooled to 7 8 0 C ( right above the eutectic temperature ) . i . What are the compositions of the two phases? ( 1 point ) ii . Determine the mass fractions of a and L phases. ( 2 points ) b . Then the alloy is cooled to 7 7 8 C ( right
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design a plant producing 30000 metric tonnes per year of lithium hexafluorophosphate (LiPF6) for Li-on battery electrolyte

A double-pipe heat exchanger consists of five hairpins connected in series. The hairpins are each 20-ft long with 4-in. schedule 40 outer pipes, 2-in. schedule 40 inner pipes and internal return bends. Nozzles are made of 2-in. schedule 40 pipe. 40,000 lb/h of a petroleum fraction having the properties given below will flow in the annulus. What is

Do 10.12 only please The enthalpy of a binary liquid system of species 1 and 2 at fixed T and P is represented by the equation: H=400x1+600x2+x1x2(40x1+20x2) where H is in Jmol1. Determine expressions for H1 and H2 as functions of x1, numerical values for the pure-species enthalpies H1 and H2, and numerical values for the partial enthalpies at
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For the following monomer ( s ) below, provide the complete and balanced chemical reaction for the polymerization of the monomer ( s ) . Use " n " to depict the number of monomer ( s ) that react and the degree of polymerization. Include any elimination products ( e . g . , H _ ( 2 ) O ) and their stoichiometry ( e . g . , n , 2 n , etc. ) . The
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Hi , please provide a step by step solution to this problem. Thanks.
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With the focus on alternative clean-energy sources, we are moving toward an increased use of fuel cells to operate appliances ranging from computers to automobiles. For example, the hydrogen/oxygen fuel cell produces clean energy as the products are water and electricity, which may lead to a hydrogen-based economy instead of a petroleum-based

The performance of four-stroke engines, such as the Otto and diesel engines, is typically characterized by the compression ratio, which is defined by the potential power output on the heating value of the fuel source employed. True False

It is required to maintain a house at 20C, its refrigeration system extracts 540.0 cals1 from its interior, while consuming an electrical work of 2.00 kW. Determine the increase in entropy per second suffered by the universe due to the conditioning of the house, knowing that the ambient temperature outside is 38C.

5. The gas phase reaction AB+C is to be carried out isothermally in a 20dm2 constant volume batch reactor. 20 moles of pure A is initially placed in the reactor. The reactor is well-mixed. a) If the reaction is first order; rA=kCA with k=0.865 mint1, calculate the time necessary to reduce the number of moles A in the reactor to 0.2 mole? b) If the
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A wire of diameter d is stretched along the centerline of a pipe of diameter D. For a given pressure drop per unit length of pipe, by how much does the presence of the wire reduce the flow- rate if (a) d/D = 0.1; (b) d/D = 0.01?

Question in Chemical Engineering Please Give Correct answer im preparing please otherwise I will dislike 8 0 3

Draw the expected major elimination product and identify the mechanism.
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The critical pressure and critical temperature of freon is 4.06 106 Pa and 374.1 K. Freon is contained at 5 atmospheres in a 500 mL volume at 300 K. Calculate the specific volume, using the van der Waals equation. The freon is then adiabatically expanded to 1L, calculate the final temperature, using the van der Waals equation. Use the same

our project is about smart flood barriers system it will be small prototype I need you to write the following things also we will use material that absorb water 6. Deliverables Develop a list of what you will provide the potential customers at the conclusion of the project. 8. Budget: Projects are almost never proposed without preliminary budget
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PLEASE I NEED THIS ASAP Results to one decimal space. Determine the parallel line capacity with the following information. Equipment A B Speed 120 130 Downtime 20%. 35% Waste. 5% 4% (It should be one result not two)

i need correct answrrs 4 2 .

For a reaction of the type K K K V X Y Z the rate of reaction (1x) is given by: a. K1Cy - K2Cx b. (K1+K2+K3)Cx C. (K1-K2)Cx d. (K1+K1)Cx
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